From b110a6300281f49a9d8057b34bbdde8d19a4a4fe Mon Sep 17 00:00:00 2001
From: Dmitriy Ryajov <dryajov@gmail.com>
Date: Fri, 15 Dec 2023 16:43:16 -0600
Subject: [PATCH] add from nodes test

---
 tests/codex/merkletree/testcodexmerkletree.nim | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tests/codex/merkletree/testcodexmerkletree.nim b/tests/codex/merkletree/testcodexmerkletree.nim
index 1e3f3b29..e331f230 100644
--- a/tests/codex/merkletree/testcodexmerkletree.nim
+++ b/tests/codex/merkletree/testcodexmerkletree.nim
@@ -73,6 +73,17 @@ checksuite "merkletree":
       tree.mcodec == sha256
       tree.leaves == data
 
+  test "Should build from nodes":
+    let
+      tree = CodexMerkleTree.init(sha256, leaves = data).tryGet
+      fromNodes = CodexMerkleTree.fromNodes(
+        nodes = toSeq(tree.nodes),
+        nleaves = tree.leavesCount).tryGet
+
+    check:
+      tree.mcodec == sha256
+      tree == fromNodes
+
 let
   mhash = sha256.getMhash().tryGet
   zero: seq[byte] = newSeq[byte](mhash.size)